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| ||120: Vettius Valens born ... astrologer. No DOD. Search book cover: https://www.google.com/search?q=vettius+valens
| | File:Alexis Clairault.jpg|link=Alexis Clairaut (nonfiction)|1713: Mathematician, astronomer, and geophysicist [[Alexis Clairaut (nonfiction)|Alexis Clairaut]] born. Clairaut's work will help to establish the validity of the principles and results that Sir Isaac Newton had outlined in the ''Principia'' of 1687. |
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| ||1588: Ole Worm born ... physician and historian. Pic.
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| File:Alexis Clairault.jpg|link=Alexis Clairaut (nonfiction)|1713: Mathematician, astronomer, and geophysicist [[Alexis Clairaut (nonfiction)|Alexis Clairaut]] born. His work will help to establish the validity of the principles and results that Sir Isaac Newton had outlined in the ''Principia'' of 1687. | |
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| File:Carl von Linné.jpg|link=Carl Linnaeus (nonfiction)|1733: Botanist, physician, and zoologist [[Carl Linnaeus (nonfiction)|Carl Linnaeus]] invents a binomial nomenclature system of taxonomy to define and characterize a wide range of [[crimes against mathematical constants]].
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| ||1738: Ernst Gottfried Baldinger born ... physician, was born in Großvargula near Erfurt. He studied medicine at Erfurt, Halle and Jena, earning his MD in 1760 under the guidance of Ernst Anton Nicolai and in 1761 was entrusted with the superintendence of the military hospitals connected with the Prussian encampment near Torgau. He published a treatise in 1765, De Militum Morbis, which met with a favourable reception.
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| ||1753: Lazare Carnot born ... general, mathematician, and politician, French Minister of the Interior.
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| File:Japanese counting board.jpg|link=Rod calculus (nonfiction)|1762: First use of Japanese [[Rod calculus (nonfiction)|rod calculus]] to confirm the [[APTO]] Accords.
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| ||1795: Gérard Paul Deshayes born ... geologist and chronologist.
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| File:Edward Lear.jpg|link=Edward Lear (nonfiction)|1812: Artist, musician, author, and poet [[Edward Lear (nonfiction)|Edward Lear]] born either today or yesterday.
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| ||1849: Lou Blonger born ... Wild West saloonkeeper, gambling-house owner, and mine speculator, but is best known as the kingpin of an extensive ring of confidence tricksters that operated for more than 25 years in Denver, Colorado. His "Million-Dollar Bunco Ring" was brought to justice in a famous trial in 1923. Pic.
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| ||1857: Ronald Ross born ... physician and mathematician, Nobel Prize laureate.
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| ||1859: Denison Olmsted dies ... physicist and astronomer. Professor Olmsted is credited with giving birth to meteor science after the 1833 Leonid meteor shower over North America spurred him to study this phenomenon.
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| ||1865: Friedrich Karl Johannes Thiele born ... chemist and a prominent professor at several universities, including those in Munich and Strasbourg. He developed many laboratory techniques related to isolation of organic compounds. In 1907 he described a device for the accurate determination of melting points, since named Thiele tube after him. Pic.
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| ||1878: Joseph Henry dies ... physicist and academic. Pic.
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| File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1880: In Menlo Park, New Jersey, inventor [[Thomas Edison (nonfiction)|Thomas Edison]] performs the first test of his electric railway. | | File:Thomas Edison.jpg|link=Thomas Edison (nonfiction)|1880: In Menlo Park, New Jersey, inventor [[Thomas Edison (nonfiction)|Thomas Edison]] performs the first test of his electric railway. |
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| ||1885: Friedrich Gustav Jakob Henle dies ... physician, pathologist, and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay, "On Miasma and Contagia," was an early argument for the germ theory of disease. He was an important figure in the development of modern medicine. Pic. | | File:Arthur Scherbius.jpg|link=Arthur Scherbius (nonfiction)|1929: Electrical engineer and inventor [[Arthur Scherbius (nonfiction)|Arthur Scherbius]] dies. Scherbius invented and patented the famous mechanical cipher Enigma machine. |
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| ||1885: Ferdinand Minding dies ... mathematician known for his contributions to differential geometry. Minding considered questions of bending of surfaces and proved the invariance of geodesic curvature. He studied ruled surfaces, developable surfaces and surfaces of revolution and determined geodesics on the pseudosphere. Pic. | | File:Roger Zelazny 1988.jpg|link=Roger Zelazny (nonfiction)|1937: Writer [[Roger Zelazny (nonfiction)|Roger Zelazny]] born. Zelazny will win the Nebula award three times, and the Hugo award six times. |
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| ||1888: With the passage of the Lei Áurea ("Golden Law"), Empire of Brazil abolishes slavery. | | File:Marguerite Perey.jpg|link=Marguerite Perey (nonfiction)|1974: Physicist and chemist [[Marguerite Perey (nonfiction)|Marguerite Perey]] dies. Perey discovered the element francium while purifying samples of lanthanum. |
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| ||1890: Jacques-Louis Soret dies ... chemist who in 1878, along with Marc Delafontaine, first observed holmium spectroscopically. Soret was also responsible for correctly working out the chemical composition of ozone as being three oxygen atoms bound together. Pic.
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| ||1902: Hugh Rose Foss born ... cryptanalyst. At Bletchley Park during World War II he made significant contributions both to the breaking of the German Enigma code and headed the section tasked with breaking Japanese Naval codes.
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| ||1905: Kurt Diebner born ... nuclear physicist who is well known for directing and administrating the German nuclear energy project, a secretive program aiming to build nuclear weapons for Nazi Germany during the course of World War II. Pic.
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| ||1914: Antonia Ferrín Moreiras born ... mathematician, academic, and astronomer.
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| File:Arthur Scherbius.jpg|link=Arthur Scherbius (nonfiction)|1929: Electrical engineer and inventor [[Arthur Scherbius (nonfiction)|Arthur Scherbius]] dies. He invented and patented the famous mechanical cipher Enigma machine.
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| ||1930: Fridtjof Nansen dies ... scientist, explorer, and academic, Nobel Prize laureate.
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| ||1931: András Hajnal born ... professor of mathematics ... work in set theory and combinatorics. The Hajnal–Szemerédi theorem on equitable coloring, proving a 1964 conjecture of Erdős: let Δ denote the maximum degree of a vertex in a finite graph G. Then G can be colored with Δ + 1 colors in such a way that the sizes of the color classes differ by at most one. Pic: http://dimacs.rutgers.edu/archive/DIMACS_highlights/hajnal/hajnal.html
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| ||1935: David Todd Wilkinson born ... pioneer in the field of cosmology, specializing in the study of the cosmic microwave background radiation (CMB) left over from the Big Bang.
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| File:The Safe-Cracker.jpg|link=The Safe-Cracker|1936: ''The Safe-Cracker'' wins Pulitzer Prize, hailed as "most daring illustration of the year."
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| File:Roger Zelazny 1988.jpg|link=Roger Zelazny (nonfiction)|1937: Writer [[Roger Zelazny (nonfiction)|Roger Zelazny]] born. He will win the Nebula award three times, and the Hugo award six times.
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| ||1938: Charles Édouard Guillaume dies ... physicist and academic, Nobel Prize laureate.
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| ||1939: The first commercial FM radio station in the United States is launched in Bloomfield, Connecticut. The station later becomes WDRC-FM.
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| File:Stanisław Leśniewski.jpg|link=Stanisław Leśniewski (nonfiction)|1939: Mathematician, philosopher, and logician [[Stanisław Leśniewski (nonfiction)|Stanisław Leśniewski]] dies. He posited three nested formal systems, to which he will give the Greek-derived names of protothetic, ontology, and mereology.
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| ||1944: Theodore Willard Case dies ... chemist, physicist, and inventor known for the invention of the Movietone sound-on-film sound film system. Pic.
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| ||1957: Michael Fekete dies ... mathematician and academic.
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| ||1958: Ben Carlin becomes the first (and only) person to circumnavigate the world by amphibious vehicle, having travelled over 17,000 kilometres (11,000 mi) by sea and 62,000 kilometres (39,000 mi) by land during a ten-year journey.
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| ||1975: Marguerite Perey dies ... physicist and chemist ... she discovered the element francium by purifying samples of lanthanum that contained actinium. Pic.
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| ||1977: Mickey Spillane dies ... American mobster.
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| ||1985: Police release a bomb on MOVE headquarters in Philadelphia to end a stand-off, killing six adults and five children, and destroying the homes of 250 city residents.
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| ||1980: Erich Ernest Zepler dies ... electronics expert and chess problem composer. Pic.
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| ||1991: Magnus Rudolph Hestenes dies ... mathematician. Together with Cornelius Lanczos and Eduard Stiefel, he invented the conjugate gradient method. Pic.
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| ||1995: Hao Wang dies ... logician, philosopher, and mathematician. Pic: http://richardzach.org/2016/09/03/interview-with-hao-wang-and-robin-gandy/
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| ||1998: India carries out two nuclear tests at Pokhran, following the three conducted on May 11. The United States and Japan impose economic sanctions on India.
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| ||2001: Sergey Alexandrovich Afanasyev dies ... Soviet engineer, space and defense industry executive, the first Minister of the Soviet-era Ministry of General Machine Building.
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| ||2005: George Bernard Dantzig dies ... mathematical scientist who made important contributions to operations research, computer science, economics, and statistics. Dantzig is known for his development of the simplex algorithm, an algorithm for solving linear programming problems. Pic.
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| ||2010: Paul Roesel Garabedian dies ... mathematician and numerical analyst. He is known for his contributions to the fields of computational fluid dynamics and plasma physics, which ranged from elegant existence proofs for Potential theory and conformal mappings to the design and optimization of stellarators. Pic.
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| Green City Skyline.jpg|link=Green City Skyline (nonfiction)|2018: ''[[Green City Skyline (nonfiction)|Green City Skyline]]'' voted Picture of the Day by the citizens of [[New Minneapolis, Canada]].
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